svn commit: r358526 - user/pho/stress2/misc

[Peter Holm]

Author: pho
Date: Mon Mar  2 06:35:26 2020
New Revision: 358526
URL: https://svnweb.freebsd.org/changeset/base/358526

Log:
  Added an old regression test.

Added:
  user/pho/stress2/misc/racct.sh   (contents, props changed)

Added: user/pho/stress2/misc/racct.sh
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ user/pho/stress2/misc/racct.sh	Mon Mar  2 06:35:26 2020	(r358526)
@@ -0,0 +1,58 @@
+#!/bin/sh
+
+#
+# Copyright (c) 2018 Dell EMC Isilon
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+# $FreeBSD$
+#
+# Regression test inspired by Andriy Gapon for Bug 222027 - panic on
+# non-zero RACCT destroy.
+
+# "panic: destroying non-empty racct ..." seen.
+# https://people.freebsd.org/~pho/stress/log/racct.txt
+# "Page fault in slab_free_item()" seen:
+# https://people.freebsd.org/~pho/stress/log/racct-2.txt
+
+[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
+[ "`sysctl -in kern.racct.enable`" != "1" ] &&
+    echo "Note: kern.racct.enable is disabled"
+pgrep -Sq accounting || { service accounting onestart && started=1; }
+(cd ../testcases/swap; ./swap -t 2m -i 5 -v -l 100) > /dev/null &
+sleep .5
+start=`date +%s`
+while [ $((`date +%s` - start)) -lt 120 ]; do
+	pids=""
+	for i in `jot 5`; do
+		for i in `jot 500`; do
+			exec su -c xuser -m root -c ':' &
+		done &
+		pids="$pids $!"
+	done
+	wait $pids
+	while [ `pgrep su | wc -l` -gt 100 ]; do sleep 1; done
+done
+wait
+[ $started ] && service accounting onestop
+exit 0